filtering in pandas code example

Example 1: filter data in a dataframe python on a if condition of a value python by Testy Toucan on May 22 2020 Donate Comment

# filter rows in a dataframe by a condition on a column

df_filtered = df.loc[df['column'] == value]

Example 2: pandas filter dataframe

In [96]: df
Out[96]:
   A  B  C  D
a  1  4  9  1
b  4  5  0  2
c  5  5  1  0
d  1  3  9  6

In [99]: df[(df.A == 1) & (df.D == 6)]
Out[99]:
   A  B  C  D
d  1  3  9  6

Example 3: pandas column filter

filter = df['column']!= 0
df = df[filter]

Example 4: pandas filter

>continents = ['Asia','Africa', 'Americas', 'Europe']
>gapminder_Ocean = gapminder[~gapminder.continent.isin(continents)]
>gapminder_Ocean.shape 
(24,6)

Example 5: pandas filter

#To select rows whose column value is in list 
years = [1952, 2007]
gapminder.year.isin(years)